//
//  _NSGradient.h
//  AiOControls
//
//  Created by Edward.Chen on 11/11/09.
//  Copyright 2009 yoyokko. All rights reserved.
//
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#import <Cocoa/Cocoa.h>
#import "KAGradientProtocol.h"

/*!
    @class
    @abstract    Private Gradient class which will be used on OS X which version
				 is more than 10.5
    @discussion  The is a class which uses NSGradient to draw graphics on 
				 10.5/10.6. And it has the different draw methods than NSGradient.
				 You can add color stop after initialization.
*/
@interface _NSGradient : NSObject <KAGradientProtocol>
{
@private
	NSGradient		*m_Gradient;
	NSMutableArray	*m_Colors;
	NSMutableArray	*m_Locations;
	
	int				__colorsCount;
}

/*!
    @function
    @abstract   Add color stop
    @discussion You can add a color stop after initialization.
    @param      color The color you want to add.
	@param		location The color location. The value should between 0.0f and 1.0f.
    @result     Void.
	@exception	NSInvalidArgumentException If the colro is nil or value of 
				location is invalid, it will rasie the exception.
*/
- (void) addColor:(NSColor *) color andLocation:(CGFloat) location;

#pragma mark Accessors
- (NSGradient *) m_Gradient;
- (void) setM_Gradient: (NSGradient *) newValue;
- (NSMutableArray *) m_Colors;
- (void) setM_Colors: (NSMutableArray *) newValue;
- (NSMutableArray *) m_Locations;
- (void) setM_Locations: (NSMutableArray *) newValue;
@end
